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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 3 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.2/4 − 1/6 =
  2. 2.5/11 − 3/8 =
  3. 3.4/8 + 1/7 =
  4. 4.1/4 + 2/5 =
  5. 5.1/3 − 3/11 =
  6. 6.8/12 + 1/12 =
  7. 7.2/3 + 3/8 =
  8. 8.9/12 + 1/3 =
  9. 9.6/7 − 5/9 =
  10. 10.3/8 + 1/4 =
  11. 11.1/12 + 7/9 =
  12. 12.5/10 + 2/3 =
  13. 13.4/6 − 1/3 =
  14. 14.7/10 − 5/9 =
  15. 15.3/6 − 1/8 =
  16. 16.2/4 + 1/8 =
  17. 17.4/6 + 3/9 =
  18. 18.7/10 − 2/3 =
  19. 19.3/4 + 3/6 =
  20. 20.2/5 + 5/7 =
  21. 21.2/9 + 4/6 =
  22. 22.4/8 + 9/10 =
  23. 23.1/9 + 8/10 =
  24. 24.1/7 + 5/8 =
  25. 25.4/11 − 3/10 =
  26. 26.1/7 + 4/6 =
  27. 27.6/9 − 2/8 =
  28. 28.2/3 − 1/7 =
  29. 29.10/11 − 3/4 =
  30. 30.8/11 + 6/11 =
  31. 31.2/4 − 2/11 =
  32. 32.5/6 − 1/10 =
  33. 33.1/2 − 2/5 =
  34. 34.4/6 − 1/3 =
  35. 35.1/4 + 1/2 =
  36. 36.6/8 − 2/6 =
  37. 37.5/8 − 1/8 =
  38. 38.3/6 − 3/8 =
  39. 39.4/9 + 2/6 =
  40. 40.8/9 + 3/4 =

Answer key

  1. 1/3
  2. 7/88
  3. 9/14
  4. 13/20
  5. 2/33
  6. 3/4
  7. 25/24
  8. 13/12
  9. 19/63
  10. 5/8
  11. 31/36
  12. 7/6
  13. 1/3
  14. 13/90
  15. 3/8
  16. 5/8
  17. 1
  18. 1/30
  19. 5/4
  20. 39/35
  21. 8/9
  22. 7/5
  23. 41/45
  24. 43/56
  25. 7/110
  26. 17/21
  27. 5/12
  28. 11/21
  29. 7/44
  30. 14/11
  31. 7/22
  32. 11/15
  33. 1/10
  34. 1/3
  35. 3/4
  36. 5/12
  37. 1/2
  38. 1/8
  39. 7/9
  40. 59/36

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